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In applying one or more row operations while finding A–1 by elementary row operations, we obtain all zeros in one or more, then A–1 ______. - Mathematics

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Question

In applying one or more row operations while finding A–1 by elementary row operations, we obtain all zeros in one or more, then A–1 ______.

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Solution

In applying one or more row operations while finding A–1 by elementary row operations, we obtain all zeros in one or more, then A–1 does not exist.

Explanation:

A–1 does not exist if we apply one or more row operations while finding A–1 by elementary row operations, obtain all zeroes in one or more rows.

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Chapter 3: Matrices - Exercise [Page 63]

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NCERT Exemplar Mathematics [English] Class 12
Chapter 3 Matrices
Exercise | Q 81 | Page 63

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